"ELEC MOTOR DRIVEN COMPRESSOR,AC 220 OR 440 V 60 HZ 3 PH; W/O ELEC GENERATOR; RATED CAP. 1150 CU FT PER HR OF 99.5 PCT PURE NITROGEN GAS,84 LB PER HR OF 99.5 PCT PURE NITROGEN LIQ OR 1600 CU FT PER HR OF 99.5 PCT PURE OXYGEN GAS OR 125 LB PER HR OF 99.5 PCT PURE OXYGEN LIQ OR 99.5 PCT LIQ OXYGEN AND 99.5 PCT PURE GASEOUS NITROGEN SIMULTANEOUSLY; ADDITIONAL EQUIP A/A"